With the advent of the Internet and cheap data plans and Iphones, I do not believe that any high power Shortwave Radio station that was decommissioned will ever be recommissioned.
In Africa, the residents will purchase old, cast off, cell phones - 2G that can do simple text messages.
Many internet web sites has been built where they can send and receive simple text messages.
This allows them to combine their goods and services into one co-op and gives them more control over how much to sell their produce for in the village markets and when to sell.
Kind of like being able to have access to the New York Stock Exchange.

Before this - if one vendor undersold the others, the other vendors had to lower their price else run the risk that the produce would rot and they would get nothing.

Being able to do simple tasks such as online banking has allowed them to expand into more venue's.
A large venue is using automobile batteries to charge villagers cell phones.
One man with a working generator can charge as many as two dozen cell phones at one time, charging $.25 to $.50 a phone, they can generate as much revenue as what they could make working all day at a laborer job..

The days of those people just sitting around, listening to the shortwave radio - like the Waltons television program are going by the wayside...